Why does tkinter app crash on quit?

[John Powers]

I have a python program which crashes every once in a while when I press
the "Quit" button. I'm running tkinter 1.127 and tcl/tk 8.0.5 under
Windows 95 and Python 1.5.2. Most of the time, it quits just fine.

But sometimes, it crashes: "Python - This program has performed an
illegal operation and will be shut down. PYTHON caused an invalid page
fault in module SYNTPFCS.DLL at 0157:630067db.

from Tkinter import *

class App(Tk):

  def __init__(self):
    Tk.__init__(self)
    filename = "filename"
    Label(self, text=filename).pack()
    Button(self, text="Quit", command=self.quit).pack()

App().mainloop()

Anybody had experience with this?

Thanks, jpp
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